package cn.dxj1016.lesson02;

import java.io.IOException;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;

//客户端
public class TcpClientDemo01 {
    public static void main(String[] args) {
        Socket socket = null;
        OutputStream os = null;
        try {
//        1.要知道服务器的地址、端口号
            InetAddress byName = InetAddress.getByName("127.0.0.1");
            int port = 9999;
//            2.创建一个socket连接
             socket = new Socket(byName,port);
//            3.发送消息 IO流
            os = socket.getOutputStream();

            os.write("你好，欢迎学习狂神说Java".getBytes());

        } catch (Exception e) {
            e.printStackTrace();
        }finally {
            if (os != null) {
                try {
                    os.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if (socket != null) {
                try {
                    socket.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

        }
    }
}
